Thank you for your bug report, could you add your /var/log/lightdm/lightdm.log to the bug after getting the issue as well as ~/.xsession-errors for the user you tried to log in to?
** Changed in: lightdm (Ubuntu) Importance: Undecided => High ** Changed in: lightdm (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/964607 Title: Login fail for Admin user To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/964607/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs